Pub Date : 2022-01-01DOI: 10.4018/ijseims.2022010106
Srinivasula Reddy I., Vadivuchezhian Kaliveeran
In the present work, wear of Al 6061-T6 alloy under different normal loads, sliding speeds and temperatures was investigated. Pin on disk type tribometer was used to conduct dry sliding experiments. Different load combinations comprising of normal loads (1 kg, 1.5 kg and 2 kg), sliding speeds (1.25 m/s, 2 m/s and 3 m/s) and temperatures (room temperature (31 ± 1 °C), 60 °C, 100 °C and 150 °C) were applied during dry sliding experiments. Adhesive and abrasive wear mechanisms were observed in dry sliding of Al 6061-T6 alloy contacts from the microscopic analysis of worn contact surfaces. The wear rate was more influenced by increase in normal load than increase in sliding speed and temperature. Under normal loads of 1 kg and 1.5 kg, Al 6061-T6 alloy showed better wear resistance at higher temperatures when compared to that at room temperature.
{"title":"Wear of Dry Sliding Al 6061-T6 Alloy Under Different Loading Conditions","authors":"Srinivasula Reddy I., Vadivuchezhian Kaliveeran","doi":"10.4018/ijseims.2022010106","DOIUrl":"https://doi.org/10.4018/ijseims.2022010106","url":null,"abstract":"In the present work, wear of Al 6061-T6 alloy under different normal loads, sliding speeds and temperatures was investigated. Pin on disk type tribometer was used to conduct dry sliding experiments. Different load combinations comprising of normal loads (1 kg, 1.5 kg and 2 kg), sliding speeds (1.25 m/s, 2 m/s and 3 m/s) and temperatures (room temperature (31 ± 1 °C), 60 °C, 100 °C and 150 °C) were applied during dry sliding experiments. Adhesive and abrasive wear mechanisms were observed in dry sliding of Al 6061-T6 alloy contacts from the microscopic analysis of worn contact surfaces. The wear rate was more influenced by increase in normal load than increase in sliding speed and temperature. Under normal loads of 1 kg and 1.5 kg, Al 6061-T6 alloy showed better wear resistance at higher temperatures when compared to that at room temperature.","PeriodicalId":37123,"journal":{"name":"International Journal of Surface Engineering and Interdisciplinary Materials Science","volume":"1 1","pages":""},"PeriodicalIF":0.0,"publicationDate":"2022-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"41435477","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
An elastohydrodynamic model is applied in this work to study the influence of surface texturing on the structural performance of a coated aerodynamic plain bearing and a coated hydrodynamic plain bearing. Shaft rotational speed and radial load are digitally optimized to improve plain bearing performance, such as pressure, bearing inner face displacement and shear stresses. Results are presented for different operating conditions. This research is carried out in order to predict the elastic behavior of a coated hydrodynamic plain bearing as well as a coated aerodynamic plain bearing at textured surface compared at a non-textured surface, operating at very high speeds. This study is a numerical investigation using a CFD code, by solving the Navier-Stokes equations of motion by the finite volume method and the displacement equations using the finite element method.
{"title":"Effect of the Textured Surface on the Structural Behavior of a Plain Bearing-Comparison Between Aerodynamic and Hydrodynamic Bearing","authors":"","doi":"10.4018/ijseims.302237","DOIUrl":"https://doi.org/10.4018/ijseims.302237","url":null,"abstract":"An elastohydrodynamic model is applied in this work to study the influence of surface texturing on the structural performance of a coated aerodynamic plain bearing and a coated hydrodynamic plain bearing. Shaft rotational speed and radial load are digitally optimized to improve plain bearing performance, such as pressure, bearing inner face displacement and shear stresses. Results are presented for different operating conditions. This research is carried out in order to predict the elastic behavior of a coated hydrodynamic plain bearing as well as a coated aerodynamic plain bearing at textured surface compared at a non-textured surface, operating at very high speeds. This study is a numerical investigation using a CFD code, by solving the Navier-Stokes equations of motion by the finite volume method and the displacement equations using the finite element method.","PeriodicalId":37123,"journal":{"name":"International Journal of Surface Engineering and Interdisciplinary Materials Science","volume":" ","pages":""},"PeriodicalIF":0.0,"publicationDate":"2022-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"47607830","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
The present study examines the effects of changes in single-wall carbon nanotube (SWCNT) volume % in an Al reinforced nanocomposite under loading and unloading in a cylindrical flattening contact. Flattening action is provided by a rigid flat, which moves downward and upward to simulate the loading and unloading stages, respectively. The cylinder is modelled as a 2D quarter-circle, which consists of the embedded CNTs. Volume % of the nanotubes is varied by changing the wall thickness and number of CNTs, while the overall radius is kept fixed. Finite element model to perform a plane stress quasi-static analysis is created using ANSYS. The simulated results are compared with results from published studies to satisfactorily validate it. Various parameters, in the contact zone and in the vicinity of the CNTs, are presented as results. It is found that above a certain CNT thickness, higher volume percentage of CNTs result in higher contact force as well as contact area. Additionally, more matrix material in the asperity is found to yield plastically for higher volume percentage of CNTs.
{"title":"Flattening Cylindrical Contact Analysis of Single Walled Carbon Nanotube (SWCNT) Nanocomposite","authors":"Rakesh Bhadra, Tamonash Jana, A. Mitra, P. Sahoo","doi":"10.4018/ijseims.313629","DOIUrl":"https://doi.org/10.4018/ijseims.313629","url":null,"abstract":"The present study examines the effects of changes in single-wall carbon nanotube (SWCNT) volume % in an Al reinforced nanocomposite under loading and unloading in a cylindrical flattening contact. Flattening action is provided by a rigid flat, which moves downward and upward to simulate the loading and unloading stages, respectively. The cylinder is modelled as a 2D quarter-circle, which consists of the embedded CNTs. Volume % of the nanotubes is varied by changing the wall thickness and number of CNTs, while the overall radius is kept fixed. Finite element model to perform a plane stress quasi-static analysis is created using ANSYS. The simulated results are compared with results from published studies to satisfactorily validate it. Various parameters, in the contact zone and in the vicinity of the CNTs, are presented as results. It is found that above a certain CNT thickness, higher volume percentage of CNTs result in higher contact force as well as contact area. Additionally, more matrix material in the asperity is found to yield plastically for higher volume percentage of CNTs.","PeriodicalId":37123,"journal":{"name":"International Journal of Surface Engineering and Interdisciplinary Materials Science","volume":" ","pages":""},"PeriodicalIF":0.0,"publicationDate":"2022-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"45095402","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
In this study, tribological characteristics and wear debris morphology of A390 and A515 alloys are evaluated and compared. Components with a high wear resistance slide are typically made with alloys are A390 and A515, while components with high hardness requirements are usually made up with SS410. Those alloys were used in brake pads, and SS410 steel is used for the brake disc. Speed and pad force are the two factors that affect tribological characteristics such as friction coefficient and wear rate. Wear debris and wear track were examined by scanning election microscopy and optical microscope, respectively. The effect of sliding speed variations on wear and friction coefficient at various load conditions was also evaluated, and a comparative analysis was reported based on wear rates, coefficient of friction, and debris morphology for both materials. The A515 alloys shows higher friction coefficient under all the process conditions except at very low loads and high speeds due to increased superficial hardness and the composition of the case layer (oxygen-diffused/oxide formed).
{"title":"Influence of Load and Speed on Tribological Performance of A390 and A515 Alloys in Dry Sliding Behavior A Comparative Study","authors":"B. Lal, Abhijit Dey","doi":"10.4018/ijseims.310513","DOIUrl":"https://doi.org/10.4018/ijseims.310513","url":null,"abstract":"In this study, tribological characteristics and wear debris morphology of A390 and A515 alloys are evaluated and compared. Components with a high wear resistance slide are typically made with alloys are A390 and A515, while components with high hardness requirements are usually made up with SS410. Those alloys were used in brake pads, and SS410 steel is used for the brake disc. Speed and pad force are the two factors that affect tribological characteristics such as friction coefficient and wear rate. Wear debris and wear track were examined by scanning election microscopy and optical microscope, respectively. The effect of sliding speed variations on wear and friction coefficient at various load conditions was also evaluated, and a comparative analysis was reported based on wear rates, coefficient of friction, and debris morphology for both materials. The A515 alloys shows higher friction coefficient under all the process conditions except at very low loads and high speeds due to increased superficial hardness and the composition of the case layer (oxygen-diffused/oxide formed).","PeriodicalId":37123,"journal":{"name":"International Journal of Surface Engineering and Interdisciplinary Materials Science","volume":" ","pages":""},"PeriodicalIF":0.0,"publicationDate":"2022-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"48767951","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Currently Aluminum alloys and polymer based fibre composites are being used for various structural applications. It is always an advantageous to have light weight high strength materials. In this context, hybrid nanocomposites are fabricated and tested for their mechanical properties to meet various applications. Due to the conflicting nature of the mechanical properties, a multi criteria decision model employing AHP (Analytic Hierarchy Process), Entropy, and TOPSIS techniques were developed with the goal of selecting an appropriate material to meet the objective out of various material combinations. A framework has been developed to assist composite structure designers in selecting the best fibre types for a given application. The purpose of this paper is to first investigate the impact of weighting methods in multiple criteria decision making (MCDM), and then to develop a systematic framework for optimum fibre selection among all fibre reinforced polymer (FRP) composites.
{"title":"SELECTION OF OPTIMUM HYBRID COMPOSITE MATERIAL FOR STRUCTURAL APPLICATIONS THROUGH TOPSIS TECHNIQUE","authors":"","doi":"10.4018/ijseims.298706","DOIUrl":"https://doi.org/10.4018/ijseims.298706","url":null,"abstract":"Currently Aluminum alloys and polymer based fibre composites are being used for various structural applications. It is always an advantageous to have light weight high strength materials. In this context, hybrid nanocomposites are fabricated and tested for their mechanical properties to meet various applications. Due to the conflicting nature of the mechanical properties, a multi criteria decision model employing AHP (Analytic Hierarchy Process), Entropy, and TOPSIS techniques were developed with the goal of selecting an appropriate material to meet the objective out of various material combinations. A framework has been developed to assist composite structure designers in selecting the best fibre types for a given application. The purpose of this paper is to first investigate the impact of weighting methods in multiple criteria decision making (MCDM), and then to develop a systematic framework for optimum fibre selection among all fibre reinforced polymer (FRP) composites.","PeriodicalId":37123,"journal":{"name":"International Journal of Surface Engineering and Interdisciplinary Materials Science","volume":" ","pages":""},"PeriodicalIF":0.0,"publicationDate":"2022-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"48231218","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Supriya Bakshi, M. Saha, S. Mandal, P. Biswas, Sandip Ghosh
The present experimental analysis has been carried out to compare the changes in the tribological and mechanical properties of brass samples with and without heat treatment. Four Cu-Zn alloy samples are heated in various temperature ranges between 350°C to 800°C. Changes in hardness of all samples are recorded to observe the effect of temperature and time duration. Wear tests are performed in both dry and lubricated conditions. Wear loss and coefficient of friction of samples were measured at loads 20 N, 30 N, 40 N, and 50 N and at rotating disc speeds of 120 rpm, 140 rpm, 160 rpm, and 180 rpm at fixed track diameter for 8 minutes. Better tribological performance was found in the lubricating condition within the entire range of tests carried out. Minimum wear rate was observed for the samples heat treated at 650°C. The wear behavior is also investigated for both kind of samples. Deep grooving and micro ploughing phenomena are observed for non-heat-treated specimens. In the heat-treated state, the plasticity formation is more prominent.
{"title":"Influence of Heat Treatment on Mechanical and Tribological Behaviors of Brass","authors":"Supriya Bakshi, M. Saha, S. Mandal, P. Biswas, Sandip Ghosh","doi":"10.4018/ijseims.313661","DOIUrl":"https://doi.org/10.4018/ijseims.313661","url":null,"abstract":"The present experimental analysis has been carried out to compare the changes in the tribological and mechanical properties of brass samples with and without heat treatment. Four Cu-Zn alloy samples are heated in various temperature ranges between 350°C to 800°C. Changes in hardness of all samples are recorded to observe the effect of temperature and time duration. Wear tests are performed in both dry and lubricated conditions. Wear loss and coefficient of friction of samples were measured at loads 20 N, 30 N, 40 N, and 50 N and at rotating disc speeds of 120 rpm, 140 rpm, 160 rpm, and 180 rpm at fixed track diameter for 8 minutes. Better tribological performance was found in the lubricating condition within the entire range of tests carried out. Minimum wear rate was observed for the samples heat treated at 650°C. The wear behavior is also investigated for both kind of samples. Deep grooving and micro ploughing phenomena are observed for non-heat-treated specimens. In the heat-treated state, the plasticity formation is more prominent.","PeriodicalId":37123,"journal":{"name":"International Journal of Surface Engineering and Interdisciplinary Materials Science","volume":" ","pages":""},"PeriodicalIF":0.0,"publicationDate":"2022-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"42172373","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
The lack of the sulfur beneficial lubricity in ultra-low sulfur diesel (ULSD) may lead to premature wear and failure of diesel-fuel systems. Mixing of small percentages of, for instance, biodiesels and other biofuels is typically used to add lubricity in ULSD. N-butanol has been recently proved to mix in or replace diesel without compromising engine combustion performance. But anti-wear properties of mixing N-Butanol in ULSD have not previously been studied. This paper presents a tribology study on the effects of N-Butanol in ULSD in a steel-on steel sliding contact. The research work employed a pin on disk tribometer for friction-force data acquisition, and wear was measured by specimen weight-change. The wear results and the friction force evolution observed in tests indicate that the dilutions of ULSD with N-Butanol can lead to a reduction of wear and that there is an optimum rate of dilution, of around 25% of N-Butanol in ULSD, that minimizes wear and increases the mixture lubricity as compared to those of both pure ULSD and pure N-Butanol.
{"title":"WEAR AND FRICTION EFFECTS ON ENGINE MATERIALS OF N-BUTANOL IN ULTRA LOW SULFUR DIESEL MIXTURES","authors":"","doi":"10.4018/ijseims.298707","DOIUrl":"https://doi.org/10.4018/ijseims.298707","url":null,"abstract":"The lack of the sulfur beneficial lubricity in ultra-low sulfur diesel (ULSD) may lead to premature wear and failure of diesel-fuel systems. Mixing of small percentages of, for instance, biodiesels and other biofuels is typically used to add lubricity in ULSD. N-butanol has been recently proved to mix in or replace diesel without compromising engine combustion performance. But anti-wear properties of mixing N-Butanol in ULSD have not previously been studied. This paper presents a tribology study on the effects of N-Butanol in ULSD in a steel-on steel sliding contact. The research work employed a pin on disk tribometer for friction-force data acquisition, and wear was measured by specimen weight-change. The wear results and the friction force evolution observed in tests indicate that the dilutions of ULSD with N-Butanol can lead to a reduction of wear and that there is an optimum rate of dilution, of around 25% of N-Butanol in ULSD, that minimizes wear and increases the mixture lubricity as compared to those of both pure ULSD and pure N-Butanol.","PeriodicalId":37123,"journal":{"name":"International Journal of Surface Engineering and Interdisciplinary Materials Science","volume":" ","pages":""},"PeriodicalIF":0.0,"publicationDate":"2022-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"46403601","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Reinforced concrete is widely used in structures and construction, but its durability is limited due to corrosion of the embedded steel rebars. Thus, mitigation of corrosion of construction steel rebars is an important area of research. The present work reports the ability of electroless nickel phosphorus coating for corrosion protection of Fe-600-grade steel rebars used for construction purposes in chloride and sulphate environment. The coating deposited on Fe-600 rebar was Ni-P and was subjected to electrochemical tests in 3.5% NaCl and 0.5M H2SO4. Severe corrosion pitting and cracking were observed for the uncoated rebar while Ni-P coating showed nobler corrosion potential and low corrosion current density in the corrosive environments.
{"title":"Electroless Nickel Phosphorus Coatings to Mitigate the Corrosion of Construction Steel","authors":"Arkadeb Mukhopadhyay, S. Sahoo","doi":"10.4018/ijseims.311415","DOIUrl":"https://doi.org/10.4018/ijseims.311415","url":null,"abstract":"Reinforced concrete is widely used in structures and construction, but its durability is limited due to corrosion of the embedded steel rebars. Thus, mitigation of corrosion of construction steel rebars is an important area of research. The present work reports the ability of electroless nickel phosphorus coating for corrosion protection of Fe-600-grade steel rebars used for construction purposes in chloride and sulphate environment. The coating deposited on Fe-600 rebar was Ni-P and was subjected to electrochemical tests in 3.5% NaCl and 0.5M H2SO4. Severe corrosion pitting and cracking were observed for the uncoated rebar while Ni-P coating showed nobler corrosion potential and low corrosion current density in the corrosive environments.","PeriodicalId":37123,"journal":{"name":"International Journal of Surface Engineering and Interdisciplinary Materials Science","volume":" ","pages":""},"PeriodicalIF":0.0,"publicationDate":"2022-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"42392797","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
In the present numerical study, the effect of V-shape textures on the dynamic performance characteristic of hydrodynamic journal bearing is obtained by using fluid flow governing Reynold’s equation which has been solved with finite element method (FEM) by assuming that the fluid is Newtonian and iso-viscous in nature. Four different cases of texture depths/heights and distributions have been selected to compute the dynamic performance parameters (non-dimensional damping, stiffness and threshold frequency) and compared with un-textured hydrodynamic bearing. From simulated results, the maximum value of direct stiffness and damping coefficient for protruded textured bearing is found at full textured bearing and second half textured region as compared to dimple and un-textured bearing respectively. The value of threshold speed is maximum for fully textured region at higher value texture depth and eccentricity ratio for dimple textured bearing. Similarly its value is higher at higher texture height operating at lower eccentricity ratio for protruded bearings.
{"title":"Dynamic Performance Improvement of Journal Bearing by using Dimple and Protruded Textured Surfaces","authors":"","doi":"10.4018/ijseims.295093","DOIUrl":"https://doi.org/10.4018/ijseims.295093","url":null,"abstract":"In the present numerical study, the effect of V-shape textures on the dynamic performance characteristic of hydrodynamic journal bearing is obtained by using fluid flow governing Reynold’s equation which has been solved with finite element method (FEM) by assuming that the fluid is Newtonian and iso-viscous in nature. Four different cases of texture depths/heights and distributions have been selected to compute the dynamic performance parameters (non-dimensional damping, stiffness and threshold frequency) and compared with un-textured hydrodynamic bearing. From simulated results, the maximum value of direct stiffness and damping coefficient for protruded textured bearing is found at full textured bearing and second half textured region as compared to dimple and un-textured bearing respectively. The value of threshold speed is maximum for fully textured region at higher value texture depth and eccentricity ratio for dimple textured bearing. Similarly its value is higher at higher texture height operating at lower eccentricity ratio for protruded bearings.","PeriodicalId":37123,"journal":{"name":"International Journal of Surface Engineering and Interdisciplinary Materials Science","volume":" ","pages":""},"PeriodicalIF":0.0,"publicationDate":"2022-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"44100074","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Pub Date : 2022-01-01DOI: 10.4018/ijseims.2022010105
J. Kumar, D. Smart
This research article focuses on the development of AA7075 alloy reinforced with different wt% of Tantalum Carbide (TaC), Silicon Nitride (Si3N4) and Titanium (Ti) particulates using stir casting. Mechanical characteristics like tensile, compression and microhardness of the developed composites were analysed. High temperature tribological properties of the hybrid MMCs were studied for various input control factors like sliding speed, load and temperature. Design analysis has been executed by Taguchi orthogonal array and ANOVA (Analysis of Variance). The incorporated reinforcements exhibited improved wear resistance at ambient temperature along with elevated temperatures. Monolithic dissemination of reinforcement’s in the prepared composites magnifies the mechanical and tribological characteristics for composites compared to matrix material. From the optimization technique, it was witnessed that Wear Rate and Frictional Coefficient are afflicted by temperature go after load & sliding speed. The optimal amalgamation of control parameters of distinct tribo-responses has been detected.
{"title":"Study on Mechanical and Wear Behaviour of AA7075/TaC/Si3N4/Ti Hybrid Metal Matrix Composites","authors":"J. Kumar, D. Smart","doi":"10.4018/ijseims.2022010105","DOIUrl":"https://doi.org/10.4018/ijseims.2022010105","url":null,"abstract":"This research article focuses on the development of AA7075 alloy reinforced with different wt% of Tantalum Carbide (TaC), Silicon Nitride (Si3N4) and Titanium (Ti) particulates using stir casting. Mechanical characteristics like tensile, compression and microhardness of the developed composites were analysed. High temperature tribological properties of the hybrid MMCs were studied for various input control factors like sliding speed, load and temperature. Design analysis has been executed by Taguchi orthogonal array and ANOVA (Analysis of Variance). The incorporated reinforcements exhibited improved wear resistance at ambient temperature along with elevated temperatures. Monolithic dissemination of reinforcement’s in the prepared composites magnifies the mechanical and tribological characteristics for composites compared to matrix material. From the optimization technique, it was witnessed that Wear Rate and Frictional Coefficient are afflicted by temperature go after load & sliding speed. The optimal amalgamation of control parameters of distinct tribo-responses has been detected.","PeriodicalId":37123,"journal":{"name":"International Journal of Surface Engineering and Interdisciplinary Materials Science","volume":" ","pages":""},"PeriodicalIF":0.0,"publicationDate":"2022-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"44239532","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
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